voidmosquitto_disconnect_callback_set(structmosquitto*mosq,void(*on_disconnect)(structmosquitto*mosq,void*obj,intrc))功能:断开连接回调函数,当代理收到DISCONNECT命令并断开与客户端的连接,将调用此方法。 参数:structmosquitto*mosq:客户端void(*on_disconnect):回调函数structmosquitto*mosq:客户端数据void*obj:...
def on_message(client, userdata, msg): print(msg.topic + " " + str(msg.payload)) client = mqtt.Client() #设置用户名和密码 client.username_pw_set("mosquitto", "mosquitto") client.on_connect = on_connect client.on_message = on_message #client.on_disconnect = on_disconnect #连接 IP ...
def mqtt_init(on_message): client.connect(HOST,PORT,60) client.on_connect=on_connect client.on_disconnect=on_dis_connect client.on_message = on_message client.loop_start() def on_message(client,userdata,msg): print(msg.topic+":+"+str(msg.payload))//如果有人发布订阅,这个地方接收订阅 if...
{// 打印有效载荷printf("%s %d %s\n",msg->topic,msg->qos,(char*)msg->payload);}// 当断开连接时调用回调该函数voidon_disconnect(structmosquitto*mosq,void*obj,intrc){printf("Call the function: my_disconnect_callback\n");running=0;}intmain(intargc,char*argv[]){structmosquitto*mosq;int...
I am on version 2.0.11. This is what I do on client side, in order to connect to mosquitto broker: mosquitto_new mosquitto_int_option mosquitto_connect_v5_callback_set mosquitto_disconnect_v5_callback_set mosquitto_publish_v5_callback_set mosquitto_message_v5_callback_set mosquitto_subscribe...
mosquitto_connect_callback_set(mosq, on_connect); mosquitto_disconnect_callback_set(mosq, on_disconnect); mosquitto_publish_callback_set(mosq, on_publish); mosquitto_message_callback_set(mosq, on_message); mosquitto_subscribe_callback_set(mosq, on_subscribe); mosquitto_unsubscribe_callback...
void on_disconnect() {std::cout<<"on_disconnect"<<std::endl;} void on_publish(uint16_t mid) {std::cout<<"on_publish"<<std::endl;} }; int _tmain(int argc, _TCHAR* argv[]) { mosquittopp::mosquittopp::lib_init(); int rc; ...
void (*on_connect)(struct mosquitto *, void *userdata, int rc); void (*on_disconnect)(struct mosquitto *, void *userdata, int rc); void (*on_publish)(struct mosquitto *, void *userdata, int mid); void (*on_message)(struct mosquitto *, void *userdata, const struct mosquitto_message...
mosq.disconnect() client = mqtt.Client() client.connect("test.mosquitto.org",1883,60) client.on_publish = on_publish f=open("b.jpg","rb") #3.7kiB in same folder fileContent = f.read() byteArr =bytearray(fileContent) client.publish("image",byteArr,0) ...
def on_connect(client, userdata, flags, rc): if rc == mqtt.MQTT_ERR_SUCCESS: print(“Connected to the broker”) else: print(f”Connection failed with return code: {rc}”) def on_disconnect(client, userdata, rc): print(“client disconnected ok”) ...